GitHub Copilot experienced degraded availability for the Claude Fable 5 AI model across Copilot products and IDE surfaces for approximately 1.1 hours on July 30, 2026, caused by an issue with an upstream model provider. Users were advised to switch to an alternative model or select 'Auto' as a workaround during the outage. The incident was fully resolved, with a root cause analysis to follow.
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This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue, we recommend choosing another model or selecting 'Auto' to continue using Copilot.
We are investigating reports of degraded performance for Copilot AI Model Providers
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